The Cambrian in Oklahoma, US |
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Paleontology and geologyCambrian rocks only occur at the surface in the Arbuckle Mountains in south-central Oklahoma and in the Wichita Mountains in the southwestern corner of the state. A shallow sea covered all of Oklahoma during much of the Cambrian. Brachiopods, trilobites, and bryozoans are common fossils in the rocks formed from sediments laid down on the Cambrian seafloor. |
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